

export const getItem = function (sKey: string) {
  const item = (
    decodeURIComponent(
      document.cookie.replace(
        new RegExp(
          "(?:(?:^|.*;)\\s*" +
          encodeURIComponent(sKey).replace(/[-.+*]/g, "\\$&") +
          "\\s*\\=\\s*([^;]*).*$)|^.*$"
        ),
        "$1"
      )
    ) || null
  );
  return item
};

export const setItem = function (
  sKey: string,
  sValue: string,
  vEnd?: any,
  sPath: any="/",
  sDomain?: any,
  bSecure?: any
) {
  if (!sKey || /^(?:expires|max\-age|path|domain|secure)$/i.test(sKey)) {
    return false;
  }
  var sExpires = "";
  if (vEnd) {
    switch (vEnd.constructor) {
      case Number:
        sExpires =
          vEnd === Infinity
            ? "; expires=Fri, 31 Dec 9999 23:59:59 GMT"
            : "; max-age=" + vEnd;
        break;
      case String:
        sExpires = "; expires=" + vEnd;
        break;
      case Date:
        sExpires = "; expires=" + vEnd.toUTCString();
        break;
    }
  }
  document.cookie =
    encodeURIComponent(sKey) +
    "=" +
    encodeURIComponent(sValue) +
    sExpires +
    (sDomain ? "; domain=" + sDomain : "") +
    (sPath ? "; path=" + sPath : "") +
    (bSecure ? "; secure" : "");
  return true;
};

export const removeItem = function (sKey: string, sPath: any="/", sDomain?: any) {
  if (!sKey || !hasItem(sKey)) {
    return false;
  }
  document.cookie =
    encodeURIComponent(sKey) +
    "=; expires=Thu, 01 Jan 1970 00:00:00 GMT" +
    (sDomain ? "; domain=" + sDomain : "") +
    (sPath ? "; path=" + sPath : "");
  return true;
};

export const hasItem = function (sKey: string) {
  return new RegExp(
    "(?:^|;\\s*)" +
      encodeURIComponent(sKey).replace(/[-.+*]/g, "\\$&") +
      "\\s*\\="
  ).test(document.cookie);
};

export const keys /* optional method: you can safely remove it! */ = function () {
  var aKeys = document.cookie
    .replace(/((?:^|\s*;)[^\=]+)(?=;|$)|^\s*|\s*(?:\=[^;]*)?(?:\1|$)/g, "")
    .split(/\s*(?:\=[^;]*)?;\s*/);
  for (var nIdx = 0; nIdx < aKeys.length; nIdx++) {
    aKeys[nIdx] = decodeURIComponent(aKeys[nIdx]);
  }
  return aKeys;
};
